Quote:
Originally Posted by JohnN
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Per the data on this page, based upon energy savings estimate by SEER,
The monthly savings per 1.0 unit increase in SEER = 15.6 kWh per month * 0.14 $ per kWh = $2.20 per month electrical cost savings * $12 = $26.4 savings per year per unit increase of SEER
If you are determining the purchase based upon the electrical usage cost differential per the SEER differential, I would recommend looking at the qualitative factors instead, which of course is harder to quantify. . .
Of course if the only criteria are costs, then the additional SEER of the quoted cost differential of $1,400 has an accounting payback period of 53 years. . .
however, your house is not an investment, your house is shelter costs only, and therefore purchase what will make you happy for your retirement. That point of view should ask you to make the decision upon qualitative factors such as longevity, dependability, and mean time between failures and lost cooling time due to waiting for repair parts
former finance guy who use all the accountants' data for the future valuation analysis for purchase. .